Same as Fig. B.1 for IRAS4B. The contours show levels of −3σ (dashed), 5σ, and 10σ and then usesteps of 30σ from 20σ on. The fluxdensity in the maps has been corrected for primary beam attenuation (the primary beam FWHM is shown as a pink dashed circle in the 94 GHz map).
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